Exposure of waterfowl to lead : a nationwide survey of residues in wing bones of seven species, 1972-73 - Stendell, Rey C. (Washington : U.S. Dept. of the Interior, Fish and Wildlife Service, 1979)
Bibliography: p. 12.
Keywords: Ducks -- Diseases; Lead poisoning in animals; Shot (Pellets) -- Environmental aspects; Wings (Anatomy)